Home / 14,107.18-21,161.63-4,746.41

Finding the Fourth Proportional to 14,107.18, 21,161.63 and 4,746.41

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Solution

The fourth proportional to 14,107.18, 21,161.63 and 4,746.41 is: 7,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.18 : 21,161.63 = 4,746.41 : x
  2. Step 2: Convert to fraction form
    14,107.18/21,161.63 = 4,746.41/x
  3. Step 3: Cross multiply
    14,107.18x = 21,161.63 × 4,746.41
  4. Step 4: Simplify right side
    14,107.18x = 100,441,747.95
  5. Step 5: Solve for x
    x = 100,441,747.95/14,107.18
  6. Step 6: Final answer
    x = 7,119.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.